package main

import "fmt"

func main() {
	v := make([]byte, 0, 2)
	v = append(v, 1)
	v = append(v, 1)
	fmt.Println(len(v), cap(v))
	v = v[1:]
	fmt.Println(len(v), cap(v))
	v = append(v, 1)
	fmt.Println(len(v), cap(v))
}
